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United States Patent | 5,245,506 |
Tanimizu | September 14, 1993 |
A switchboard assembly comprises a plurality of circuit breaker compartments each having plural-phase power supply side disconnecting parts and load side disconnecting parts disposed thereinside, a plurality of conductor compartments having plural-phase power supply buses disposed thereinside, and a plurality of circuit breakers each having plural-phase circuit breaking parts accommodated in each of the circuit breaker compartments. In the switchboard assembly, the plural-phase circuit breaking parts are disposed in the depthwise direction of the circuit breaker compartments, and each of the conductor compartments is disposed between the opposing ones of the circuit breaker compartments so as to reduce the overall size of the switchboard assembly.
Inventors: | Tanimizu; Toru (Hitachi, JP) |
Assignee: | Hitachi, Ltd. (Tokyo, JP) |
Appl. No.: | 832393 |
Filed: | February 7, 1992 |
Feb 08, 1991[JP] | 3-017454 |
Current U.S. Class: | 361/605; 307/147; 361/614; 361/652 |
Intern'l Class: | H02B 001/04 |
Field of Search: | 307/113,147,148 200/307,50 A,50 AA,48 R,48 V,48 SB,144 B,145 361/335-338,341,342,344,356,361,363,376,396 |
4477701 | Oct., 1984 | Castonguay | 200/50. |
4504885 | Mar., 1985 | Yoshikawa | 361/342. |
4831489 | May., 1989 | Ozu | 361/338. |
4866569 | Sep., 1989 | Okumura | 361/335. |
Foreign Patent Documents | |||
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0017545 | Oct., 1980 | EP. | |
0128130 | Dec., 1984 | EP. | |
0412368 | Feb., 1991 | EP. | |
1193142 | May., 1965 | DE. | |
6802577 | Mar., 1969 | DE. | |
1934803 | Aug., 1970 | DE | 361/336. |
1533266 | Feb., 1969 | FR. | |
58-175902 | Oct., 1983 | JP. | |
3-74118 | Mar., 1991 | JP. | |
559441 | Jan., 1974 | CH | 361/336. |